<form action="<?php echo app()->params['newretail']['test_alipay_url']?>" method="POST">
    <input type="text" name="merchant_id" value="<?= $data['merchant_id']?>" />
    <input type="text" name="submch_accnt_no" value="<?= $data['submch_accnt_no']?>" />
    <input type="text" name="total_amount" value="<?= $data['total_amount']?>" />
    <input type="text" name="notify_url" value="<?= $data['notify_url']?>" />
    <input type="text" name="trade_no" value="<?= $data['trade_no']?>" />
    <input type="text" name="callback_url" value="<?= $data['callback_url']?>" />
    <input type="text" name="sign_type"  value="<?= $data['sign_type']?>" />
    <input type="text" name="sign" value="<?= $data['sign']?>" />
    <input type="submit" value="提交">
</form>